{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does the PoW consensus mechanism in blockchain ensure the security and reliability of transactions?","a":"Decentralization: Under the PoW consensus mechanism, the blockchain network does not rely on centralized servers or institutions; data storage and verification are jointly completed by all nodes in the network. This decentralized feature can prevent single-point failures, enhancing  the system's resistance to attacks and stability."}]}],"pr":"cdcda9be70233301f25ce1ec243cad5e69ce83b26d85e59a2d2e718f2b372138"}